Switch 'analyzer' to 'package:test' and test_reflective_loader ^0.1.0.

pkg/analyzer/test/src/task/test_all.dart

Index: pkg/analyzer/test/src/task/test_all.dart
diff --git a/pkg/analyzer/test/src/task/test_all.dart b/pkg/analyzer/test/src/task/test_all.dart
index 22108ff20fbf3b75de117b617557a34a82a1812c..1c18fdc8a80e5c45c076e531eaf0d3455f67e655 100644
--- a/pkg/analyzer/test/src/task/test_all.dart
+++ b/pkg/analyzer/test/src/task/test_all.dart
@@ -4,7 +4,7 @@
 
 library analyzer.test.src.task.test_all;
 
-import 'package:unittest/unittest.dart';
+import 'package:test_reflective_loader/test_reflective_loader.dart';
 
 import '../../utils.dart';
 import 'dart_test.dart' as dart_test;
@@ -27,7 +27,7 @@ import 'yaml_test.dart' as yaml_test;
 /// Utility for manually running all tests.
 main() {
   initializeTestEnvironment();
-  group('task tests', () {
+  defineReflectiveSuite(() {
     dart_test.main();
     dart_work_manager_test.main();
     driver_test.main();
@@ -43,5 +43,5 @@ main() {
     strong_mode_test_all.main();
     strong_mode_test.main();
     yaml_test.main();
-  });
+  }, name: 'task');
 }